EP3079400A1 - Procédé de transfert d'équipement utilisateur et station de base - Google Patents

Procédé de transfert d'équipement utilisateur et station de base Download PDF

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Publication number
EP3079400A1
EP3079400A1 EP14877151.2A EP14877151A EP3079400A1 EP 3079400 A1 EP3079400 A1 EP 3079400A1 EP 14877151 A EP14877151 A EP 14877151A EP 3079400 A1 EP3079400 A1 EP 3079400A1
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EP
European Patent Office
Prior art keywords
data packet
base station
bearer
target base
receiving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14877151.2A
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German (de)
English (en)
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EP3079400A4 (fr
EP3079400B1 (fr
Inventor
Guanglin Han
Xin Xiong
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of EP3079400A4 publication Critical patent/EP3079400A4/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
    • H04W36/026—Multicasting of data during hand-off

Definitions

  • the present invention relates to communications technologies, and in particular, to a user equipment handover method and a base station.
  • the Internet With rapid development of the Internet (the Internet), a large quantity of multimedia services have emerged, and some of application services may be implemented by receiving same data by multiple users, such as video on demand, television broadcasting, video conferencing, online education, and interactive gaming.
  • a mobile multimedia service features a large amount of data, long duration, latency sensitivity, and the like.
  • a current IP (Internet Protocol, Internet Protocol) multicast technology is not applicable to a mobile network, because the mobile network has a specific network architecture, a specific function entity, and a unique radio interface bearer, which are different from those of a wired IP network. Consequently, an existing IP multicast technology cannot support sharing of a mobile network resource among multiple mobile users. Therefore, 3G mobile operators represented by Hutchison 3G (Hutchison, an operator in Hong Kong) actively seek a new service manner, which can implement broadcast of multimedia information and consume a relatively small quantity of system resources, so as to fulfill a purpose that operation of a traditional mobile service is not affected.
  • Hutchison 3G Hutchison, an operator in Hong Kong
  • the 3GPP (a global standardization organization) has proposed an MBMS (Multimedia Broadcast/Multicast Service, multimedia multicast and broadcast service).
  • the MBMS refers to a point-to-multipoint service in which one data source sends data to multiple users, which implements sharing of network resources, including a resource of a mobile core network, a resource of an access network, and especially an air interface resource.
  • the MBMS defined by the 3GPP can not only implement pure-text, low-rate messaging-type multicast and broadcast, but also implement high-rate multimedia service multicast and broadcast, which undoubtedly follows a development tendency of a mobile data service in the future.
  • UE User Equipment, user equipment
  • the UE When UE (User Equipment, user equipment) detects that signal quality is relatively poor or that the UE needs to perform a handover because of another factor, the UE is first handed over from the MBMS to unicast, and then be handed over from an S-eNB (source base station) to a T-eNB (target base station), as shown in FIG. 1 . Because the signal quality of the UE in the S-eNB is relatively poor, and there is a problem that unicast may not cover the UE, a failure is caused in establishing the unicast in the S-eNB, and it is hard to ensure service continuity.
  • S-eNB source base station
  • T-eNB target base station
  • the UE in the S-eNB receives a service by using a unicast bearer
  • the UE in the T-eNB uses a multicast/multicast bearer to implement the service
  • the UE is connected to the T-eNB and wants to use the multicast/multicast bearer to receive data, generally, service continuity cannot be ensured, either.
  • Embodiments of the present invention provide a user equipment handover method and a base station, so as to improve service continuity in a UE handover process.
  • a user equipment handover method including:
  • the synchronization protocol data packet identifier is a synchronization sequence identifier and/or a data packet serial number of synchronization data.
  • the determining, by a target base station, that user equipment UE needs to be handed over from a source base station to the target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer specifically includes:
  • the receiving, by the target base station, a data packet sent by using the unicast bearer includes:
  • the establishing, by the target base station, the unicast bearer used by the UE, continuing to acquire a data packet from a core network, and delivering the data packet to the UE specifically includes:
  • the receiving, by the target base station, a data packet sent by using the unicast bearer includes:
  • the determining, by a target base station, that user equipment UE needs to be handed over from a source base station to the target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer specifically includes:
  • the receiving, by the target base station, a data packet sent by using the multicast/multicast bearer includes:
  • the establishing, by the target base station, the unicast bearer used by the UE, acquiring, according to the synchronization protocol data packet identifier of the data packet that is not successfully sent to the UE, the data packet that is not successfully sent to the UE, and forwarding the data packet to the UE specifically includes:
  • a user equipment handover method including:
  • the synchronization protocol data packet identifier is a synchronization sequence identifier and/or a data packet serial number of synchronization data.
  • a base station including:
  • the synchronization protocol data packet identifier is a synchronization sequence identifier and/or a data packet serial number of synchronization data.
  • the determining unit is specifically configured to:
  • the receiving unit specifically includes:
  • the second data packet receiving subunit is specifically configured to:
  • the receiving unit specifically includes:
  • the determining unit is specifically configured to:
  • the receiving unit specifically includes:
  • the data packet receiving subunit is specifically configured to:
  • a base station including:
  • the synchronization protocol data packet identifier is a synchronization sequence identifier and/or a data packet serial number of synchronization data.
  • the target base station when a target base station determines that the UE needs to be handed over from a source base station to a target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer; because a progress of sending a data packet by using a target bearer may be slower than a progress of sending a data packet by using an original bearer, the target base station receives a data packet sent by using the original bearer and a data packet sent by using the target bearer, and when it is determined that a progress of receiving the data packet by the target base station by using the original bearer is faster than or equal to a progress of receiving the data packet by the target base station by using the target bearer, the target base station hands over the UE to the target bearer, and therefore service continuity in a UE handover process is improved.
  • Embodiments of the present invention provide a user equipment handover method and a base station.
  • a target base station determines that the UE needs to be handed over from a source base station to a target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer; because a progress of sending a data packet by using a target bearer may be slower than a progress of sending a data packet by using an original bearer, the target base station receives a data packet sent by using the original bearer and a data packet sent by using the target bearer, and when it is determined that a progress of receiving the data packet by the target base station by using the original bearer is faster than or equal to a progress of receiving the data packet by the target base station by using the target bearer, the target base station hands over the UE to the target bearer, and therefore service continuity in a UE handover process is improved.
  • a user equipment handover method provided in an embodiment of the present invention includes:
  • the target base station may determine, according to the synchronization protocol data packet identifier, whether a progress of receiving a data packet by the target base station by using the original bearer is faster than or equal to a progress of receiving a data packet by the target base station by using the target bearer.
  • the target base station can ensure service continuity of the UE by means of data integration, and if the progress of receiving the data packet by the target base station by using the original bearer is not faster than or equal to a progress of receiving the data packet by the target base station by using the target bearer, the target base station further needs to continue to receive a data packet sent by using the original bearer.
  • synchronization protocol data packet identifiers are sorted in ascending order, and a synchronization protocol data packet identifier of the data packet that is received by the target base station by using the original bearer is greater than or equal to a synchronization protocol data packet identifier of the data packet that is received by the target base station by using the target bearer, it is considered that the progress of receiving the data packet by the target base station by using the original bearer is faster than or equal to the progress of receiving the data packet by the target base station by using the target bearer; otherwise, if the synchronization protocol data packet identifiers are sorted in descending order, and the synchronization protocol data packet identifier of the data packet that is received by the target base station by using the original bearer is less than or equal to the synchronization protocol data packet identifier of the data packet that is received by the target base station by using the target bearer, it is considered that the progress of receiving the data packet by the target base station by using the original bearer is faster than or equal to the progress of receiving the data packet by
  • the synchronization protocol data packet identifier may be used to determine whether the progress of receiving the data packet by the target base station by using the original bearer is faster than or equal to the progress of receiving the data packet by the target base station by using the target bearer.
  • the synchronization protocol data packet identifier may be a synchronization sequence identifier and/or a data packet number (Packet Number, PN) of synchronization data, where the synchronization sequence identifier may be specifically a synchronization data time stamp (Time Stamp, TS).
  • Packet Number Packet Number, PN
  • PN Packet Number
  • TS synchronization data time stamp
  • UE uses a unicast bearer to receive service data from a source base station, and may use a multicast/multicast bearer to receive service data from a target base station.
  • the target base station receives a data packet that is sent by the source base station but not successfully delivered to the UE, forwards the data packet to the UE, establishes, after the UE is accepted, the unicast bearer used by the UE, receives a data packet sent by a core network, and when determining that the progress of receiving the data packet by the target base station by using the unicast bearer is faster than or equal to the progress of receiving the data packet by the target base station from the core network by using the multicast/multicast bearer, uses the multicast/multicast bearer to replace the unicast bearer used by the UE.
  • the data packet that is not successfully delivered by the source base station to the UE includes a data packet that is not delivered by the source base station to the UE, and a data packet that is not successfully received by the UE, which is confirmed by the source base station in a manner such as UE feedback.
  • step S201 that the target base station determines that user equipment UE needs to be handed over from a source base station to the target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer in step S201 specifically includes:
  • That the target base station receives a data packet sent by using the unicast bearer in step S202 specifically includes:
  • the target base station determines, according to a synchronization protocol data packet identifier of the data packet, that a progress of receiving a data packet by the target base station by using an original bearer is faster than or equal to a progress of receiving a data packet by the target base station by using a target bearer, the target base station hands over the UE to the target bearer and hands over the UE to a target bearer in step S203 specifically includes:
  • the target base station may instruct the core network to carry a synchronization protocol data packet identifier in the data packet when sending the data packet; in this case, the establishing, by the target base station, the unicast bearer used by the UE, continuing to acquire a data packet from a core network, and delivering the data packet to the UE specifically includes:
  • steps of performing a user equipment handover in this scenario specifically include:
  • UE uses a unicast bearer to receive service data from a source base station, and may use a multicast/multicast bearer to receive service data from a target base station.
  • the target base station receives a data packet that is sent by the source base station but not successfully delivered to the UE; forwards the data packet to the UE; after the UE is accepted, receives a data packet sent by a core network by using the multicast bearer, and continue to receives a data packet forwarded by the source base station by using the unicast bearer; when determining that a progress of receiving the data packet by the target base station by using the unicast bearer is faster than or equal to a progress of receiving the data packet by the target base station from the core network by using the multicast/multicast bearer, uses the multicast/multicast bearer to replace the unicast bearer used by the UE; and instructs the source base station to release a context of the UE.
  • the data packet that is not successfully delivered by the source base station to the UE includes a data packet that is not delivered by the source base station to the UE, and a data packet that is not successfully received by the UE, which is confirmed by the source base station in a manner such as UE feedback.
  • step S201 that the target base station determines that user equipment UE needs to be handed over from a source base station to the target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer in step S201 specifically includes:
  • That the target base station receives a data packet sent by using the unicast bearer in step S202 specifically includes:
  • the target base station determines, according to a synchronization protocol data packet identifier of the data packet, that a progress of receiving a data packet by the target base station by using an original bearer is faster than or equal to a progress of receiving a data packet by the target base station by using a target bearer, the target base station hands over the UE to the target bearer in step S203 includes:
  • steps of performing a user equipment handover in this scenario specifically include:
  • a data packet forwarding process is shown in FIG. 5 .
  • a GCSE sends data packets to the S-eNB, where the data packets carry a synchronization protocol data packet identifier.
  • the S-eNB delivers the data packets to the UE, and some of the data packets are not sent to the UE.
  • the S-eNB initiates a handover.
  • the S-eNB sends transmission status information to the T-eNB, where the transmission status information includes a synchronization protocol data packet identifier of a data packet that is not successfully sent to the UE.
  • step 5E the S-eNB sends a data packet, which is not sent to the UE, to the T-eNB.
  • step 5F the T-eNB receives a handover command response message sent by the UE.
  • step 5G the T-eNB forwards a data packet sent by the S-eNB to the UE.
  • step 5G the T-eNB receives a data packet sent by the GCSE by using an MBMS, and after the T-eNB determines that a subsequent data packet can be sent, in step 5I, the T-eNB sends a path handover message to the UE.
  • step 5J the T-eNB sends a UE context release message to the S-eNB.
  • step 5K after UE path handover, the T-eNB sends, by using the MBMS, the data packet sent by the GCSE to the UE.
  • UE uses a multicast/multicast bearer to receive service data from a source base station, and needs to use a unicast bearer to receive service data from a target base station.
  • the target base station establishes the unicast bearer used by the UE, acquires a corresponding data packet according to a synchronization protocol data packet identifier of a data packet that is sent by the source base station but not successfully delivered to the UE, and forwards the data packet to the UE.
  • the target base station instructs the source base station to release a context of the UE.
  • the data packet that is not successfully delivered by the source base station to the UE includes a data packet that is not delivered by the source base station to the UE, and a data packet that is not successfully received by the UE, which is confirmed by the source base station in a manner such as UE feedback.
  • a GCSE is requested to cache some of delivered data packets, so that they can be re-sent to the target base station.
  • the target base station determines that user equipment UE needs to be handed over from a source base station to the target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer in step S201 specifically includes:
  • That the target base station receives a data packet sent by using the multicast/multicast bearer in step S202 includes:
  • the target base station determines, according to a synchronization protocol data packet identifier of the data packet, that a progress of receiving a data packet by the target base station by using an original bearer is faster than or equal to a progress of receiving a data packet by the target base station by using a target bearer, the target base station hands over the UE to the target bearer in step S203 includes:
  • the establishing, by the target base station, the unicast bearer used by the UE, acquiring, according to the synchronization protocol data packet identifier of the data packet that is not successfully sent to the UE, the data packet that is not successfully sent to the UE, and forwarding the data packet to the UE specifically includes:
  • the synchronization protocol data packet identifier that is included in the UE transmission status information and that is of the data packet that is not successfully sent to the UE may be only a synchronization protocol data packet identifier of the first data packet that is not successfully sent to the UE, so that the target base station acquires, according to the synchronization protocol data packet identifier, a data packet by starting from the first data packet that is not successfully sent to the UE, and forwards the data packet to the UE.
  • steps of performing a user equipment handover in this scenario specifically include:
  • a data packet forwarding process is shown in FIG. 7 .
  • a GCSE sends data packets to the S-eNB by using an MBMS bearer.
  • the S-eNB delivers the data packets to the UE, and some of the data packets are not sent to the UE.
  • the S-eNB initiates a handover.
  • the S-eNB sends transmission status information to the T-eNB, where the transmission status information includes a synchronization protocol data packet identifier of the first data packet that is not successfully sent to the UE.
  • the T-eNB receives a handover command response message sent by the UE.
  • the T-eNB establishes a core network bearer used by the UE, and acquires, from the core network, a data packet that is not successfully sent to the UE.
  • the T-eNB receives a data packet that is sent by the GCSE by using a unicast and that carries the synchronization protocol data packet identifier.
  • the T-eNB sends, to the UE, the data packet sent by the GCSE.
  • T-eNB sends a UE context release message to the S-eNB.
  • UE uses a multicast/multicast bearer to receive service data from a source base station, and needs to use a unicast bearer to receive service data from a target base station.
  • the target base station establishes the unicast bearer used by the UE, receives a synchronization protocol data packet identifier of a data packet that is sent by the source base station but not successfully delivered to the UE and the data packet, forwards the data packet to the UE.
  • the target base station instructs the source base station to release a context of the UE.
  • the data packet that is not successfully delivered by the source base station to the UE includes a data packet that is not delivered by the source base station to the UE, and a data packet that is not successfully received by the UE, which is confirmed by the source base station in a manner such as UE feedback.
  • the target base station determines that user equipment UE needs to be handed over from a source base station to the target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer in step S201 specifically includes:
  • That the target base station receives a data packet sent by using the unicast bearer and a data packet sent by using the multicast/multicast bearer in step S202 includes:
  • the target base station determines, according to a synchronization protocol data packet identifier of the data packet, that a progress of receiving a data packet by the target base station by using an original bearer is faster than or equal to a progress of receiving a data packet by the target base station by using a target bearer, the target base station hands over the UE to the target bearer in step S203 includes:
  • the synchronization protocol data packet identifier that is included in the UE transmission status information and that is of the data packet that is not successfully sent to the UE may be only a synchronization protocol data packet identifier of the first data packet that is not successfully sent to the UE.
  • steps of performing a user equipment handover in this scenario specifically include:
  • a data packet forwarding process is shown in FIG. 9 .
  • a GCSE sends data packets to the S-eNB by using an MBMS bearer.
  • the S-eNB delivers the data packets to the UE, and some of the data packets are not sent to the UE.
  • the S-eNB initiates a handover.
  • the S-eNB sends transmission status information to the T-eNB, where the transmission status information includes a synchronization protocol data packet identifier of the first data packet that is not successfully sent to the UE.
  • the S-eNB sends, to the T-eNB, a data packet that is not sent to the UE.
  • the T-eNB receives a handover command response message sent by the UE.
  • the T-eNB establishes a core network bearer used by the UE, and request the core network to carry a synchronization protocol data packet identifier with a data packet when sending the data packet.
  • the T-eNB receives a data packet that is sent by the GCSE by using a unicast and that carries the synchronization protocol data packet identifier.
  • step 9I the T-eNB forwards, to the UE by means of unicast, the data packet that is forwarded by the S-eNB, and after the T-eNB determines that a subsequent data packet can be sent, in step 9J, T-eNB sends a UE context release message to the S-eNB.
  • step 9K the T-eNB sends, to the UE, the data packet sent by the GCSE.
  • An embodiment of the present invention further provides a user equipment handover method, as shown in FIG. 10 , including:
  • Step S1001 A source base station determines that user equipment UE needs to be handed over from the source base station to a target base station.
  • Step S1002 The source base station sends, to the target base station, a handover request that carries a service identifier of the UE, so that after determining that the UE needs to be handed over from the source base station to the target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer, and when determining, according to a synchronization protocol data packet identifier of a data packet sent by using the unicast bearer and the multicast/multicast bearer, that a progress of receiving a data packet by the target base station by using an original bearer is faster than or equal to a progress of receiving a data packet by the target base station by using a target bearer, the target base station hands over the UE to the target bearer.
  • the synchronization protocol data packet identifier is a synchronization sequence identifier and/or a data packet serial number of synchronization data.
  • an embodiment of the present invention provides a base station, where the base station is a target base station that accepts UE in a UE handover process.
  • the base station includes:
  • the synchronization protocol data packet identifier is a synchronization sequence identifier and/or a data packet serial number of synchronization data.
  • the determining unit 1101 is specifically configured to:
  • the receiving unit 1102 specifically includes:
  • the second data packet receiving subunit is specifically configured to:
  • the receiving unit 1102 specifically includes:
  • the determining unit 1101 is specifically configured to:
  • the receiving unit 1102 specifically includes:
  • the receiving unit 1102 specifically includes:
  • the data packet receiving subunit is specifically configured to:
  • An embodiment of the present invention further provides a base station, where the base station is a source base station in a UE handover process.
  • the base station includes:
  • the synchronization protocol data packet identifier is a synchronization sequence identifier and/or a data packet serial number of synchronization data.
  • An embodiment of the present invention further provides a base station, where the base station is a target base station that accepts UE in a UE handover process.
  • the base station includes:
  • This base station may further implement another function that is implemented by the target base station in this embodiment of the present invention.
  • An embodiment of the present invention further provides a base station, where the base station is a source base station in a UE handover process.
  • the base station includes:
  • a processor module 1402 configured to: determine that user equipment UE needs to be handed over from the source base station to a target base station, and send, to the target base station, a handover request that carries a service identifier of the UE, so that after determining that the UE needs to be handed over from the source base station to the target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer, and when determining, according to a synchronization protocol data packet identifier of a data packet sent by using the unicast bearer and the multicast/multicast bearer, that a progress of receiving a data packet by the target base station by using an original bearer is faster than or equal to a progress of receiving a data packet by the target base station by using a target bearer, the target base station hands over the UE to the target bearer.
  • This base station may further implement another function that is implemented by the source base station in this embodiment of the present invention.
  • the target base station when a target base station determines that the UE needs to be handed over from a source base station to a target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer; because a progress of sending a data packet by using a target bearer may be slower than a progress of sending a data packet by using an original bearer, the target base station receives a data packet sent by using the original bearer and a data packet sent by using the target bearer, and when it is determined that a progress of receiving the data packet by the target base station by using the original bearer is faster than or equal to a progress of receiving the data packet by the target base station by using the target bearer, the target base station hands over the UE to the target bearer, and therefore service continuity in a UE handover process is improved.
  • the embodiments of the present invention may be provided as a method, a system, or a computer program product. Therefore, the present invention may use a form of hardware only embodiments, software only embodiments, or embodiments with a combination of software and hardware. Moreover, the present invention may use a form of a computer program product that is implemented on one or more computer-usable storage media (including but not limited to a disk memory, a CD-ROM, an optical memory, and the like) that include computer-usable program code.
  • computer-usable storage media including but not limited to a disk memory, a CD-ROM, an optical memory, and the like
  • These computer program instructions may be provided for a general-purpose computer, a dedicated computer, an embedded processor, or a processor of any other programmable data processing device to generate a machine, so that the instructions executed by a computer or a processor of any other programmable data processing device generate an apparatus for implementing a specific function in one or more processes in the flowcharts and/or in one or more blocks in the block diagrams.
  • These computer program instructions may be stored in a computer readable memory that can instruct the computer or any other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory generate an artifact that includes an instruction apparatus.
  • the instruction apparatus implements a specific function in one or more processes in the flowcharts and/or in one or more blocks in the block diagrams.
  • These computer program instructions may be loaded onto a computer or another programmable data processing device, so that a series of operations and steps are performed on the computer or the another programmable device, thereby generating computer-implemented processing. Therefore, the instructions executed on the computer or the another programmable device provide steps for implementing a specific function in one or more processes in the flowcharts and/or in one or more blocks in the block diagrams.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Mobile Radio Communication Systems (AREA)
EP14877151.2A 2014-01-03 2014-01-03 Procédé de transfert d'équipement utilisateur et station de base Active EP3079400B1 (fr)

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PCT/CN2014/070088 WO2015100733A1 (fr) 2014-01-03 2014-01-03 Procédé de transfert d'équipement utilisateur et station de base

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CN113938438B (zh) * 2020-07-14 2023-10-13 维沃移动通信有限公司 数据处理方法、数据处理装置及第一终端
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CN112189372A (zh) * 2018-05-25 2021-01-05 高通股份有限公司 混合模式多播架构
EP3804433A4 (fr) * 2018-05-25 2022-07-13 QUALCOMM Incorporated Architecture de multidiffusion en mode mixte
US11870599B2 (en) 2018-05-25 2024-01-09 Qualcomm Incorporated Mixed mode multicast architecture
CN112189372B (zh) * 2018-05-25 2024-03-22 高通股份有限公司 混合模式多播架构
WO2021175443A1 (fr) * 2020-03-06 2021-09-10 Nokia Technologies Oy Prévention de perte de paquets dans des transmissions point à multipoint
EP4142367A4 (fr) * 2020-05-11 2023-10-25 Huawei Technologies Co., Ltd. Procédé et appareil de communication, et support de stockage

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US10356667B2 (en) 2019-07-16
EP3079400A4 (fr) 2016-11-02
CN105009638B (zh) 2019-10-01
WO2015100733A1 (fr) 2015-07-09
CN105009638A (zh) 2015-10-28
US20160316398A1 (en) 2016-10-27
EP3079400B1 (fr) 2019-08-14

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